diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 7bbc6156e455..8bd30976cdee 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -217,7 +217,7 @@ static int sctp_gen_sack(struct sctp_association *asoc, int force,
 
 		asoc->peer.sack_needed = 0;
 
-		error = sctp_outq_tail(&asoc->outqueue, sack);
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(sack));
 
 		/* Stop the SACK timer.  */
 		sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,